<template>
  <basic-container>
    <el-row :span="24">
      <el-col :md="4">
        <div class="tree-position">
          <avue-tree
            :option="treeOption"
            :data="treeData"
            @node-click="nodeClick"
          />
        </div>
      </el-col>
      <el-col :md="20">
        <div
          v-loading="saveLoading"
          class="public-account-management clearfix"
        >
          <!--左边配置菜单-->
          <div class="left">
            <div class="weixin-hd">
              <div class="weixin-title">
                {{ menuName }}
              </div>
            </div>
            <div class="weixin-menu menu_main clearfix">
              <div
                v-for="(item, i) of menu.button"
                :key="i"
                class="menu_bottom"
              >
                <!-- 一级菜单 -->
                <div
                  class="menu_item el-icon-s-fold"
                  :class="{'active': isActive === i}"
                  @click="menuFun(i,item)"
                >
                  {{ item.name }}
                </div>
                <!--以下为二级菜单-->
                <div
                  v-if="isSubMenuFlag === i"
                  class="submenu"
                >
                  <div
                    v-for="(subItem, k) in item.sub_button"
                    v-if="item.sub_button"
                    :key="k"
                    class="subtitle menu_bottom"
                  >
                    <div
                      class="menu_subItem"
                      :class="{'active': isSubMenuActive === i + '' +k}"
                      @click="subMenuFun(subItem, i, k)"
                    >{{ subItem.name }}
                    </div>
                  </div>
                  <!--  二级菜单加号， 当长度 小于  5 才显示二级菜单的加号  -->
                  <div
                    v-if="!item.sub_button || item.sub_button.length < 5"
                    class="menu_bottom menu_addicon"
                    @click="addSubMenu(i,item)"
                  ><i class="el-icon-plus"></i></div>
                </div>
              </div>
              <!-- 一级菜单加号 -->
              <div
                v-if="menuKeyLength < 3"
                class="menu_bottom menu_addicon"
                @click="addMenu"
              ><i class="el-icon-plus"></i></div>
            </div>
            <div class="save_div">
              <el-button
                v-if="permissions.mp_wxmenu_add"
                class="save_btn"
                type="success"
                size="small"
                @click="saveMenu"
              >保存</el-button>
              <el-button
                v-if="permissions.mp_wxmenu_push"
                class="save_btn"
                type="info"
                size="small"
                @click="publishMenu"
              >发布</el-button>
            </div>
          </div>
          <!--右边配置-->
          <div
            v-if="showRightFlag"
            class="right"
          >
            <div class="configure_page">
              <div>
                <span>菜单标识：</span>
                <el-input
                  v-model="tempObj.key"
                  class="input_width"
                  placeholder="请输入菜单KEY"
                  :maxlength="nameMaxlength"
                  clearable
                ></el-input>
              </div>
              <div class="menu_content">
                <span>菜单名称：</span>
                <el-input
                  v-model="tempObj.name"
                  class="input_width"
                  placeholder="请输入菜单名称"
                  :maxlength="nameMaxlength"
                  clearable
                ></el-input>
              </div>
              <div v-if="showConfigurContent">
                <div class="menu_content">
                  <span>菜单内容：</span>
                  <el-select
                    v-model="tempObj.type"
                    clearable
                    placeholder="请选择"
                    class="menu_option"
                  >
                    <el-option
                      v-for="item in menuOptions"
                      :key="item.value"
                      :label="item.label"
                      :value="item.value"
                    ></el-option>
                  </el-select>
                </div>
                <div
                  v-if="tempObj.type === 'view'"
                  class="configur_content"
                >
                  <span>跳转链接：</span>
                  <el-input
                    v-model="tempObj.url"
                    class="input_width"
                    placeholder="请输入链接"
                    clearable
                  ></el-input>
                </div>
                <div
                  v-if="tempObj.type === 'miniprogram'"
                  class="configur_content"
                >
                  <div class="applet">
                    <span>小程序的appid：</span>
                    <el-input
                      v-model="tempObj.appid"
                      class="input_width"
                      placeholder="请输入小程序的appid"
                      clearable
                    ></el-input>
                  </div>
                  <div class="applet">
                    <span>小程序的页面路径：</span>
                    <el-input
                      v-model="tempObj.pagepath"
                      class="input_width"
                      placeholder="请输入小程序的页面路径，如：pages/index"
                      clearable
                    ></el-input>
                  </div>
                  <div class="applet">
                    <span>备用网页：</span>
                    <el-input
                      v-model="tempObj.url"
                      class="input_width"
                      placeholder="不支持小程序的老版本客户端将打开本网页"
                      clearable
                    ></el-input>
                  </div>
                  <p class="blue">tips:需要和公众号进行关联才可以把小程序绑定带微信菜单上哟！</p>
                </div>
                <div
                  v-if="tempObj.type === 'view_limited'"
                  class="configur_content"
                >
                  <el-row>
                    <div
                      v-if="tempObj && tempObj.content && tempObj.content.newsItem"
                      class="select-item"
                    >
                      <WxNews :obj-data="tempObj.content.newsItem"></WxNews>
                      <el-row class="ope-row">
                        <el-button
                          type="danger"
                          icon="el-icon-delete"
                          circle
                          @click="deleteTempObj"
                        ></el-button>
                      </el-row>
                    </div>
                    <div v-if="!tempObj.content || !tempObj.content.newsItem">
                      <el-row>
                        <el-col
                          :span="24"
                          style="text-align: center"
                        >
                          <el-button
                            type="success"
                            @click="openMaterial"
                          >素材库选择<i class="el-icon-circle-check el-icon--right"></i></el-button>
                        </el-col>
                      </el-row>
                    </div>
                    <el-dialog
                      title="选择图文"
                      :visible.sync="dialogNewsVisible"
                      width="90%"
                    >
                      <WxMaterialSelect
                        :obj-data="{repType:'news',appId: checkAppId}"
                        @selectMaterial="selectMaterial"
                      ></WxMaterialSelect>
                    </el-dialog>
                  </el-row>
                </div>
                <div
                  v-if="tempObj.type === 'click' || tempObj.type === 'scancode_waitmsg'"
                  class="configur_content"
                >
                  <WxReplySelect
                    v-if="hackResetWxReplySelect"
                    :obj-data="tempObj"
                  ></WxReplySelect>
                </div>
              </div>
              <div class="delete_btn">
                <el-button
                  v-if="permissions.mp_wxmenu_del"
                  size="mini"
                  type="danger"
                  icon="el-icon-delete"
                  @click="deleteMenu(tempObj)"
                >删除当前菜单
                </el-button>
              </div>
            </div>
          </div>
          <!--一进页面就显示的默认页面，当点击左边按钮的时候，就不显示了-->
          <div
            v-if="!showRightFlag"
            class="right"
          >
            <p>请选择菜单配置</p>
          </div>
        </div>
      </el-col>
    </el-row>
  </basic-container>
</template>

<script>
import { getObj, publishObj, saveObj } from '@/api/mp/wx-menu';
import { fetchAccountList } from '@/api/mp/wx-account';
import WxReplySelect from '@/components/wechat/WxReply.vue';
import WxNews from '@/components/wechat/WxNews';
import WxMaterialSelect from '@/components/wechat/WxMaterialSelect';
import { mapGetters } from 'vuex';

export default {
  name: 'WxMenu',
  components: {
    WxReplySelect,
    WxNews,
    WxMaterialSelect,
  },
  data() {
    return {
      treeOption: {
        nodeKey: 'id',
        addBtn: false,
        menu: false,
        props: {
          labelText: '标题',
          label: 'name',
          value: 'appid',
          children: 'children',
        },
      },
      treeData: [],
      checkAppId: undefined,
      showRightFlag: false, //右边配置显示默认详情还是配置详情
      menu: {
        button: [],
      }, //横向菜单
      isActive: -1, // 一级菜单点中样式
      isSubMenuActive: -1, // 一级菜单点中样式
      isSubMenuFlag: -1, // 二级菜单显示标志
      tempObj: {}, //右边临时变量，作为中间值牵引关系
      tempSelfObj: {
        //一些临时值放在这里进行判断，如果放在tempObj，由于引用关系，menu也会多了多余的参数
      },
      visible2: false, //素材内容  "选择素材"按钮弹框显示隐藏
      tableData: [], //素材内容弹框数据,
      menuName: '',
      showConfigurContent: true,
      nameMaxlength: 0, //名称最大长度
      menuOptions: [
        {
          value: 'view',
          label: '跳转网页',
        },
        {
          value: 'miniprogram',
          label: '跳转小程序',
        },
        {
          value: 'click',
          label: '点击回复',
        },
        {
          value: 'view_limited',
          label: '跳转图文消息',
        },
        {
          value: 'scancode_push',
          label: '扫码直接返回结果',
        },
        {
          value: 'scancode_waitmsg',
          label: '扫码回复',
        },
        {
          value: 'pic_sysphoto',
          label: '系统拍照发图',
        },
        {
          value: 'pic_photo_or_album',
          label: '拍照或者相册',
        },
        {
          value: 'pic_weixin',
          label: '微信相册',
        },
        {
          value: 'location_select',
          label: '选择地理位置',
        },
      ],
      dialogNewsVisible: false,
      saveLoading: false,
      hackResetWxReplySelect: false,
    };
  },
  computed: {
    ...mapGetters(['permissions']),
    // menuObj的长度，当长度 小于  3 才显示一级菜单的加号
    menuKeyLength: function () {
      return this.menu.button.length;
    },
  },
  created() {
    this.getAccountList();
  },
  methods: {
    nodeClick(data) {
      this.checkAppId = data.appid;
      this.tempObj.appId = data.appid;
      this.getMenuFun();
    },
    getAccountList() {
      fetchAccountList().then((response) => {
        this.treeData = response.data.data;
        // 默认选中第一个
        if (this.treeData.length > 0) {
          this.nodeClick(this.treeData[0]);
        }
      });
    },
    deleteTempObj() {
      this.$delete(this.tempObj, 'repName');
      this.$delete(this.tempObj, 'repUrl');
      this.$delete(this.tempObj, 'content');
    },
    openMaterial() {
      this.dialogNewsVisible = true;
    },
    selectMaterial(item) {
      if (item.content.newsItem.length > 1) {
        this.$alert('您选择的是多图文，将默认跳转第一篇', '提示', {
          confirmButtonText: '确定',
        });
      }
      this.dialogNewsVisible = false;
      this.tempObj.media_id = item.mediaId;
      this.tempObj.mediaName = item.name;
      this.tempObj.url = item.url;
      item.mediaType = this.tempObj.mediaType;
      item.content.newsItem = item.content.newsItem.slice(0, 1);
      this.tempObj.content = item.content;
    },
    getMenuFun() {
      getObj(this.checkAppId).then((res) => {
        if (res.data.data) {
          const data = JSON.parse(res.data.data);
          if (data && data.button) {
            this.menu.button = data.button;
          }
        }
      });
    },
    handleClick(tab, event) {
      this.tempObj.mediaType = tab.name;
    },
    saveMenu() {
      this.$confirm('确定要保存该菜单吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      })
        .then(() => {
          this.saveLoading = true;
          saveObj(this.checkAppId, this.menu)
            .then((response) => {
              this.saveLoading = false;
              this.$message.success('保存成功，请点击发布');
            })
            .catch(() => {
              this.saveLoading = false;
            });
        })
        .catch(() => {});
    },
    publishMenu() {
      this.$confirm('确定要发布该菜单吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      }).then(() => {
        this.saveLoading = true;
        publishObj(this.checkAppId)
          .then((response) => {
            this.saveLoading = false;
            this.$message.success('发布成功');
          })
          .catch(() => {
            this.saveLoading = false;
          });
      });
    },
    // 一级菜单点击事件
    menuFun(i, item) {
      this.hackResetWxReplySelect = false; //销毁组件
      this.$nextTick(() => {
        this.hackResetWxReplySelect = true; //重建组件
      });
      this.showRightFlag = true; //右边菜单
      this.tempObj = item; //这个如果放在顶部，flag会没有。因为重新赋值了。
      this.tempSelfObj.grand = '1'; //表示一级菜单
      this.tempSelfObj.index = i; //表示一级菜单索引
      this.isActive = i; //一级菜单选中样式
      this.isSubMenuFlag = i; //二级菜单显示标志
      this.isSubMenuActive = -1; //二级菜单去除选中样式
      this.nameMaxlength = 4;
      if (item.sub_button && item.sub_button.length > 0) {
        this.showConfigurContent = false;
      } else {
        this.showConfigurContent = true;
      }
      this.tempObj.appId = this.checkAppId;
    },
    // 二级菜单点击事件
    subMenuFun(subItem, index, k) {
      this.hackResetWxReplySelect = false; //销毁组件
      this.$nextTick(() => {
        this.hackResetWxReplySelect = true; //重建组件
      });
      this.showRightFlag = true; //右边菜单
      this.tempObj = subItem; //将点击的数据放到临时变量，对象有引用作用
      this.tempSelfObj.grand = '2'; //表示二级菜单
      this.tempSelfObj.index = index; //表示一级菜单索引
      this.tempSelfObj.secondIndex = k; //表示二级菜单索引
      this.isSubMenuActive = index + '' + k; //二级菜单选中样式
      this.isActive = -1; //一级菜单去除样式
      this.showConfigurContent = true;
      this.nameMaxlength = 7;
      this.tempObj.appId = this.checkAppId;
    },
    // 添加横向一级菜单
    addMenu() {
      const menuKeyLength = this.menuKeyLength;
      const addButton = {
        name: '菜单名称',
        sub_button: [],
      };
      this.$set(this.menu.button, menuKeyLength, addButton);
      this.menuFun(this.menuKeyLength - 1, addButton);
    },
    // 添加横向二级菜单
    addSubMenu(i, item) {
      if (!item.sub_button || item.sub_button.length <= 0) {
        this.$set(item, 'sub_button', []);
        this.$delete(item, 'type');
        this.$delete(item, 'pagepath');
        this.$delete(item, 'url');
        this.$delete(item, 'key');
        this.$delete(item, 'media_id');
        this.$delete(item, 'textContent');
        this.showConfigurContent = false;
      }
      const subMenuKeyLength = item.sub_button.length; //获取二级菜单key长度
      const addButton = {
        name: '子菜单名称',
      };
      this.$set(item.sub_button, subMenuKeyLength, addButton);
      this.subMenuFun(item.sub_button[subMenuKeyLength], i, subMenuKeyLength);
    },
    //删除当前菜单
    deleteMenu(obj) {
      const _this = this;
      this.$confirm('确定要删除吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      })
        .then(() => {
          _this.deleteData(); // 删除菜单数据
          _this.tempObj = {};
          _this.showRightFlag = false;
          this.isActive = -1;
          this.isSubMenuActive = -1;
        })
        .catch(() => {});
    },
    // 删除菜单数据
    deleteData() {
      // 一级菜单的删除方法
      if (this.tempSelfObj.grand === '1') {
        this.menu.button.splice(this.tempSelfObj.index, 1);
      }
      // 二级菜单的删除方法
      if (this.tempSelfObj.grand === '2') {
        this.menu.button[this.tempSelfObj.index].sub_button.splice(
          this.tempSelfObj.secondIndex,
          1
        );
      }
      this.$message({
        type: 'success',
        message: '删除成功!',
      });
    },
  },
};
</script>

<style lang="less" src="@/components/wechat/css/wechat.less" scoped/>
<style lang="scss" src="@/components/wechat/css/wechat.scss" scoped/>
